add unit tests

Author: inwoods

Assets/com.unity.formats.fbx.tests/CustomExtensionsTest.cs

@@ -0,0 +1,38 @@
+// NOTE: uncomment the next line to leave temporary FBX files on disk
+// and create a imported object in the scene.
+//#define DEBUG_UNITTEST
+
+using UnityEngine;
+using UnityEditor;
+using NUnit.Framework;
+using System.Collections.Generic;
+using System.Collections;
+using FbxExporters.CustomExtensions;
+
+namespace FbxExporters.UnitTests
+{
+    public class CustomExtensionsTest : ExporterTestBase
+    {
+        private float Value1 { get { return 1f; } }
+
+        [TearDown]
+        public override void Term ()
+        {
+            #if (!DEBUG_UNITTEST)
+            base.Term ();
+            #endif
+        }
+
+        [Test]
+        public void MetricDistanceTest()
+        {
+            Assert.That(Value1.Meters().ToCentimeters(), Is.EqualTo(100f));
+                
+            Assert.That(1f.Meters(), Is.EqualTo(100f.Centimeters()));
+            Assert.That(10f.Millimeters().ToMeters(), Is.EqualTo(1f.Centimeters().ToMeters()).Within(0.00001f));
+            Assert.That(1f.Centimeters().ToMeters(), Is.EqualTo(10f.Millimeters().ToMeters()).Within(0.00001f));
+            Assert.That(0.0254f.Meters(), Is.EqualTo(1f.Inches().ToMetric()));
+            Assert.That(1f.Meters().ToImperial(), Is.EqualTo(39.3701f.Inches()));
+        }
+    }
+}